html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
dl, dt, dd, ol, ul, li,i,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
 footer, header, section ,input{
    margin: 0;
    padding: 0;
    border: 0;
}
html,body{
    height:100%;
}
li{
    list-style: none;
    margin: 0;
    padding: 0;
}